4C_31o03-20181217-S001-R001-B-230931.fts

Only less than 50 stars was detected

4C_31o03-20181217-S001-R001-I-231320.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-17 14:13:21 15.63 0.331

4C_31o03-20181217-S001-R001-R-231205.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-17 14:12:07 16.064 +/- 0.845 (3sigma) 15.437 +/- 0.847 (5sigma) 14.586 +/- 0.850 (10sigma)

4C_31o03-20181217-S001-R001-V-231050.fts